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Finding the Third Proportional to 79,794,320 and 172,319,897

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Solution

The third proportional to 79,794,320 and 172,319,897 is: 372,133,591.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,794,320 : 172,319,897 = 172,319,897 : x
  2. Step 2: Convert to fraction form
    79,794,320/172,319,897 = 172,319,897/x
  3. Step 3: Cross multiply
    79,794,320x = 172,319,897 × 172,319,897
  4. Step 4: Simplify right side
    79,794,320x = 29,694,146,902,090,608
  5. Step 5: Solve for x
    x = 29,694,146,902,090,608/79,794,320
  6. Step 6: Final answer
    x = 372,133,591.74

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.